X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fjtag%2Fdrivers%2Fftdi.c;fp=src%2Fjtag%2Fdrivers%2Fftdi.c;h=8c83d459d58216a5295e72fb4fdd78e74c79b913;hp=9e47d3cad180909bf2f3ab18904a29217220136a;hb=b44948985f080df55adeb9377596432fff3c50d6;hpb=d10141ef07644fc6a39211d60e811a868d91c575;ds=sidebyside

diff --git a/src/jtag/drivers/ftdi.c b/src/jtag/drivers/ftdi.c
index 9e47d3cad1..8c83d459d5 100644
--- a/src/jtag/drivers/ftdi.c
+++ b/src/jtag/drivers/ftdi.c
@@ -482,7 +482,11 @@ static void ftdi_execute_scan(struct jtag_command *cmd)
 			uint8_t last_bit = 0;
 			if (field->out_value)
 				bit_copy(&last_bit, 0, field->out_value, field->num_bits - 1, 1);
-			uint8_t tms_bits = 0x01;
+
+			/* If endstate is TAP_IDLE, clock out 1-1-0 (->EXIT1 ->UPDATE ->IDLE)
+			 * Otherwise, clock out 1-0 (->EXIT1 ->PAUSE)
+			 */
+			uint8_t tms_bits = 0x03;
 			mpsse_clock_tms_cs(mpsse_ctx,
 					&tms_bits,
 					0,
@@ -492,13 +496,24 @@ static void ftdi_execute_scan(struct jtag_command *cmd)
 					last_bit,
 					ftdi_jtag_mode);
 			tap_set_state(tap_state_transition(tap_get_state(), 1));
-			mpsse_clock_tms_cs_out(mpsse_ctx,
-					&tms_bits,
-					1,
-					1,
-					last_bit,
-					ftdi_jtag_mode);
-			tap_set_state(tap_state_transition(tap_get_state(), 0));
+			if (tap_get_end_state() == TAP_IDLE) {
+				mpsse_clock_tms_cs_out(mpsse_ctx,
+						&tms_bits,
+						1,
+						2,
+						last_bit,
+						ftdi_jtag_mode);
+				tap_set_state(tap_state_transition(tap_get_state(), 1));
+				tap_set_state(tap_state_transition(tap_get_state(), 0));
+			} else {
+				mpsse_clock_tms_cs_out(mpsse_ctx,
+						&tms_bits,
+						2,
+						1,
+						last_bit,
+						ftdi_jtag_mode);
+				tap_set_state(tap_state_transition(tap_get_state(), 0));
+			}
 		} else
 			mpsse_clock_data(mpsse_ctx,
 				field->out_value,